page_title: Commercial diving
section_title: Civil engineering diving
hierarchical_section_title: Commercial diving / Applications of commercial diving / Civil engineering diving
caption_attribution_description: English: 970216-N-3093M-002 Utilitiesman 2nd Class (Diver) Joe Karr assigned to Underwater Construction Team One&#8217;s Air Detachment Alpha, drills holes in the coral reef at ocean floor to secure small boat moorings in the waters off Naval Base Guantanamo Bay, Cuba. Drills Holes In The Coral Reef To Secure Small Boat Moorings In The Waters Of Guantanamo Bay, Cuba, In March, 1997. U.S. Navy Photograph by Photographer&#8217;s Mate 2nd Class Andrew Mckaskle (Released)
context_page_description: Commercial diving may be considered an application of professional diving where the diver engages in underwater work for industrial, construction, engineering, maintenance or other commercial purposes which are similar to work done out of the water, and where the diving is usually secondary to the work.
  In some legislation, commercial diving is defined as any diving done by an employee as part of their job, and for legal purposes this may include scientific, public safety, media, and military diving. That is similar to the definition for professional diving, but in those cases the difference is in the status of the diver within the organisation of the diving contractor. This distinction may not exist in other jurisdictions. In South Africa, any person who dives under the control and instructions of another person within the scope of the Occupational Health and Safety Act, 1993, is within the scope of the Diving Regulations, 2009.
context_section_description: Civil engineering works are one of the major applications of inshore and inland coastal diving projects. Much of the work is either underwater inspection or engineering construction or repair work. The types of dive sites involved is varied, and divers can be found working in harbours and lakes, on hydroelectric dams, in rivers and around bridges and pontoons, with a large amount of this work being done in freshwater. Divers may be required to inspect and repair outfalls with penetrations exceeding 600 feet (180 m), which require special safety precautions.
  The equipment used does depend on the nature of the work and location, but normally surface oriented surface-supplied diving equipment is used. Saturation diving may be used for major projects in deep water, and scuba may occasionally be used for inspections or light work where the regulations or code of practice permit.
caption: Inshore diving commonly includes underwater work in support of construction projects
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